/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:56:10,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:56:10,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:56:10,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:56:10,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:56:10,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:56:10,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:56:10,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:56:10,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:56:10,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:56:10,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:56:10,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:56:10,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:56:10,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:56:10,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:56:10,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:56:10,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:56:10,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:56:10,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:56:10,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:56:10,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:56:10,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:56:10,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:56:10,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:56:10,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:56:10,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:56:10,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:56:10,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:56:10,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:56:10,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:56:10,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:56:10,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:56:10,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:56:10,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:56:10,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:56:10,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:56:10,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:56:10,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:56:10,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:56:10,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:56:10,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:56:10,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:56:10,359 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:56:10,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:56:10,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:56:10,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:56:10,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:56:10,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:56:10,361 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:56:10,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:56:10,361 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:56:10,361 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:56:10,362 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:56:10,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:56:10,362 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:56:10,362 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:56:10,362 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:56:10,362 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:56:10,362 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:56:10,363 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:56:10,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:56:10,363 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:56:10,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:56:10,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:56:10,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:56:10,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:56:10,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:56:10,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:56:10,364 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:56:10,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:56:10,364 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:56:10,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:56:10,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:56:10,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:56:10,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:56:10,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:56:10,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:56:10,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:56:10,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:56:10,549 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:56:10,549 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:56:10,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2023-04-01 05:56:11,631 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:56:11,895 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:56:11,896 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2023-04-01 05:56:11,906 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebe35ac1/7ce28ff2b1b946d59876687478e93465/FLAG86ccda6e1 [2023-04-01 05:56:11,922 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebe35ac1/7ce28ff2b1b946d59876687478e93465 [2023-04-01 05:56:11,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:56:11,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:56:11,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:56:11,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:56:11,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:56:11,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:56:11" (1/1) ... [2023-04-01 05:56:11,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc7b6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:11, skipping insertion in model container [2023-04-01 05:56:11,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:56:11" (1/1) ... [2023-04-01 05:56:11,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:56:11,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:56:12,307 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2023-04-01 05:56:12,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:56:12,353 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:56:12,430 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2023-04-01 05:56:12,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:56:12,481 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:56:12,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12 WrapperNode [2023-04-01 05:56:12,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:56:12,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:56:12,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:56:12,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:56:12,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:56:12,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:56:12,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:56:12,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:56:12,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (1/1) ... [2023-04-01 05:56:12,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:56:12,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:56:12,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 05:56:12,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 05:56:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:56:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:56:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:56:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:56:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 05:56:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 05:56:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:56:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:56:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 05:56:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 05:56:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 05:56:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 05:56:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-01 05:56:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 05:56:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 05:56:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 05:56:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 05:56:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 05:56:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 05:56:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 05:56:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:56:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 05:56:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 05:56:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-01 05:56:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 05:56:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:56:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:56:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:56:12,883 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:56:12,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:56:13,556 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:56:13,678 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:56:13,678 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 05:56:13,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:56:13 BoogieIcfgContainer [2023-04-01 05:56:13,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:56:13,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:56:13,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:56:13,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:56:13,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:56:11" (1/3) ... [2023-04-01 05:56:13,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1f17e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:56:13, skipping insertion in model container [2023-04-01 05:56:13,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:56:12" (2/3) ... [2023-04-01 05:56:13,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1f17e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:56:13, skipping insertion in model container [2023-04-01 05:56:13,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:56:13" (3/3) ... [2023-04-01 05:56:13,685 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2023-04-01 05:56:13,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:56:13,696 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:56:13,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:56:13,731 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58b45ad2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:56:13,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:56:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 73 states have (on average 1.2876712328767124) internal successors, (94), 89 states have internal predecessors, (94), 51 states have call successors, (51), 31 states have call predecessors, (51), 31 states have return successors, (51), 46 states have call predecessors, (51), 51 states have call successors, (51) [2023-04-01 05:56:13,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-01 05:56:13,740 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:56:13,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:56:13,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:56:13,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:56:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash 526113615, now seen corresponding path program 1 times [2023-04-01 05:56:13,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:56:13,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652674172] [2023-04-01 05:56:13,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:13,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:56:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:56:13,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:56:13,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652674172] [2023-04-01 05:56:13,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652674172] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:56:13,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:56:13,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:56:13,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626374309] [2023-04-01 05:56:13,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:56:13,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:56:13,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:56:13,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:56:13,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:56:13,954 INFO L87 Difference]: Start difference. First operand has 158 states, 73 states have (on average 1.2876712328767124) internal successors, (94), 89 states have internal predecessors, (94), 51 states have call successors, (51), 31 states have call predecessors, (51), 31 states have return successors, (51), 46 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:56:14,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:56:14,032 INFO L93 Difference]: Finished difference Result 246 states and 303 transitions. [2023-04-01 05:56:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:56:14,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-01 05:56:14,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:56:14,042 INFO L225 Difference]: With dead ends: 246 [2023-04-01 05:56:14,042 INFO L226 Difference]: Without dead ends: 125 [2023-04-01 05:56:14,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:56:14,048 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:56:14,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:56:14,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-04-01 05:56:14,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2023-04-01 05:56:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 64 states have (on average 1.25) internal successors, (80), 77 states have internal predecessors, (80), 36 states have call successors, (36), 29 states have call predecessors, (36), 24 states have return successors, (31), 26 states have call predecessors, (31), 31 states have call successors, (31) [2023-04-01 05:56:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2023-04-01 05:56:14,096 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 46 [2023-04-01 05:56:14,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:56:14,097 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2023-04-01 05:56:14,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:56:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2023-04-01 05:56:14,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 05:56:14,104 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:56:14,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:56:14,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:56:14,105 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:56:14,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:56:14,105 INFO L85 PathProgramCache]: Analyzing trace with hash -2136424973, now seen corresponding path program 1 times [2023-04-01 05:56:14,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:56:14,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757804762] [2023-04-01 05:56:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:14,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:56:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:56:14,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:56:14,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757804762] [2023-04-01 05:56:14,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757804762] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:56:14,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:56:14,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:56:14,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226935078] [2023-04-01 05:56:14,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:56:14,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:56:14,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:56:14,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:56:14,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:56:14,226 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:56:14,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:56:14,293 INFO L93 Difference]: Finished difference Result 194 states and 228 transitions. [2023-04-01 05:56:14,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:56:14,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-01 05:56:14,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:56:14,296 INFO L225 Difference]: With dead ends: 194 [2023-04-01 05:56:14,296 INFO L226 Difference]: Without dead ends: 117 [2023-04-01 05:56:14,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:56:14,299 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 11 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:56:14,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 223 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:56:14,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-04-01 05:56:14,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-04-01 05:56:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 72 states have internal predecessors, (74), 33 states have call successors, (33), 28 states have call predecessors, (33), 24 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2023-04-01 05:56:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2023-04-01 05:56:14,314 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 47 [2023-04-01 05:56:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:56:14,315 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2023-04-01 05:56:14,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 05:56:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2023-04-01 05:56:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-01 05:56:14,317 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:56:14,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:56:14,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:56:14,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:56:14,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:56:14,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1197036735, now seen corresponding path program 1 times [2023-04-01 05:56:14,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:56:14,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143894881] [2023-04-01 05:56:14,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:56:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:56:14,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:56:14,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143894881] [2023-04-01 05:56:14,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143894881] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:56:14,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:56:14,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 05:56:14,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380530848] [2023-04-01 05:56:14,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:56:14,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 05:56:14,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:56:14,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 05:56:14,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:56:14,561 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 05:56:14,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:56:14,929 INFO L93 Difference]: Finished difference Result 347 states and 420 transitions. [2023-04-01 05:56:14,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 05:56:14,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 51 [2023-04-01 05:56:14,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:56:14,945 INFO L225 Difference]: With dead ends: 347 [2023-04-01 05:56:14,945 INFO L226 Difference]: Without dead ends: 255 [2023-04-01 05:56:14,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 05:56:14,946 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 277 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 05:56:14,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 521 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 05:56:14,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-04-01 05:56:14,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2023-04-01 05:56:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 130 states have (on average 1.2923076923076924) internal successors, (168), 155 states have internal predecessors, (168), 64 states have call successors, (64), 54 states have call predecessors, (64), 48 states have return successors, (61), 48 states have call predecessors, (61), 60 states have call successors, (61) [2023-04-01 05:56:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 293 transitions. [2023-04-01 05:56:14,981 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 293 transitions. Word has length 51 [2023-04-01 05:56:14,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:56:14,981 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 293 transitions. [2023-04-01 05:56:14,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-01 05:56:14,981 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 293 transitions. [2023-04-01 05:56:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-01 05:56:14,982 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:56:14,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:56:14,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:56:14,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:56:14,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:56:14,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1439814675, now seen corresponding path program 1 times [2023-04-01 05:56:14,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:56:14,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892678254] [2023-04-01 05:56:14,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:14,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:56:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:56:15,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:56:15,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892678254] [2023-04-01 05:56:15,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892678254] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:56:15,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:56:15,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:56:15,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087024771] [2023-04-01 05:56:15,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:56:15,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:56:15,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:56:15,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:56:15,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:56:15,135 INFO L87 Difference]: Start difference. First operand 243 states and 293 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 05:56:15,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:56:15,381 INFO L93 Difference]: Finished difference Result 661 states and 816 transitions. [2023-04-01 05:56:15,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 05:56:15,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 55 [2023-04-01 05:56:15,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:56:15,400 INFO L225 Difference]: With dead ends: 661 [2023-04-01 05:56:15,401 INFO L226 Difference]: Without dead ends: 443 [2023-04-01 05:56:15,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 05:56:15,408 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 94 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:56:15,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 509 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:56:15,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-04-01 05:56:15,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 431. [2023-04-01 05:56:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 234 states have (on average 1.2863247863247864) internal successors, (301), 280 states have internal predecessors, (301), 112 states have call successors, (112), 92 states have call predecessors, (112), 84 states have return successors, (110), 84 states have call predecessors, (110), 108 states have call successors, (110) [2023-04-01 05:56:15,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 523 transitions. [2023-04-01 05:56:15,463 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 523 transitions. Word has length 55 [2023-04-01 05:56:15,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:56:15,463 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 523 transitions. [2023-04-01 05:56:15,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 05:56:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 523 transitions. [2023-04-01 05:56:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-01 05:56:15,466 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:56:15,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:56:15,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:56:15,467 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:56:15,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:56:15,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1693639278, now seen corresponding path program 1 times [2023-04-01 05:56:15,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:56:15,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417954454] [2023-04-01 05:56:15,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:56:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:56:15,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:56:15,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417954454] [2023-04-01 05:56:15,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417954454] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:56:15,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:56:15,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 05:56:15,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068322759] [2023-04-01 05:56:15,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:56:15,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 05:56:15,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:56:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 05:56:15,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:56:15,601 INFO L87 Difference]: Start difference. First operand 431 states and 523 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 05:56:15,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:56:15,971 INFO L93 Difference]: Finished difference Result 1155 states and 1514 transitions. [2023-04-01 05:56:15,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 05:56:15,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-04-01 05:56:15,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:56:15,976 INFO L225 Difference]: With dead ends: 1155 [2023-04-01 05:56:15,976 INFO L226 Difference]: Without dead ends: 749 [2023-04-01 05:56:15,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-01 05:56:15,979 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 158 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:56:15,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 294 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:56:15,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2023-04-01 05:56:16,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 660. [2023-04-01 05:56:16,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 369 states have (on average 1.2140921409214092) internal successors, (448), 407 states have internal predecessors, (448), 146 states have call successors, (146), 126 states have call predecessors, (146), 144 states have return successors, (198), 148 states have call predecessors, (198), 142 states have call successors, (198) [2023-04-01 05:56:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 792 transitions. [2023-04-01 05:56:16,049 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 792 transitions. Word has length 58 [2023-04-01 05:56:16,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:56:16,050 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 792 transitions. [2023-04-01 05:56:16,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 05:56:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 792 transitions. [2023-04-01 05:56:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-01 05:56:16,052 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:56:16,052 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:56:16,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:56:16,052 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:56:16,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:56:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1281069885, now seen corresponding path program 1 times [2023-04-01 05:56:16,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:56:16,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867510416] [2023-04-01 05:56:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:16,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:56:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 05:56:16,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:56:16,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867510416] [2023-04-01 05:56:16,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867510416] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:56:16,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784604626] [2023-04-01 05:56:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:16,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:56:16,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:56:16,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 05:56:16,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:56:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:16,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-01 05:56:16,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:56:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:56:16,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 05:56:16,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784604626] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:56:16,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 05:56:16,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 17 [2023-04-01 05:56:16,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610843589] [2023-04-01 05:56:16,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:56:16,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 05:56:16,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:56:16,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 05:56:16,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-04-01 05:56:16,614 INFO L87 Difference]: Start difference. First operand 660 states and 792 transitions. Second operand has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-01 05:56:16,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:56:16,950 INFO L93 Difference]: Finished difference Result 1578 states and 1976 transitions. [2023-04-01 05:56:16,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 05:56:16,953 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) Word has length 89 [2023-04-01 05:56:16,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:56:16,958 INFO L225 Difference]: With dead ends: 1578 [2023-04-01 05:56:16,959 INFO L226 Difference]: Without dead ends: 943 [2023-04-01 05:56:16,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2023-04-01 05:56:16,961 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 110 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:56:16,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 809 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:56:16,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2023-04-01 05:56:17,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 923. [2023-04-01 05:56:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 523 states have (on average 1.2103250478011471) internal successors, (633), 571 states have internal predecessors, (633), 205 states have call successors, (205), 177 states have call predecessors, (205), 194 states have return successors, (281), 204 states have call predecessors, (281), 201 states have call successors, (281) [2023-04-01 05:56:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1119 transitions. [2023-04-01 05:56:17,009 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1119 transitions. Word has length 89 [2023-04-01 05:56:17,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:56:17,009 INFO L495 AbstractCegarLoop]: Abstraction has 923 states and 1119 transitions. [2023-04-01 05:56:17,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (17), 6 states have call predecessors, (17), 3 states have call successors, (17) [2023-04-01 05:56:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1119 transitions. [2023-04-01 05:56:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-01 05:56:17,016 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:56:17,016 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:56:17,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 05:56:17,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-01 05:56:17,223 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:56:17,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:56:17,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1098276464, now seen corresponding path program 1 times [2023-04-01 05:56:17,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:56:17,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426441403] [2023-04-01 05:56:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:17,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:56:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:56:17,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:56:17,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426441403] [2023-04-01 05:56:17,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426441403] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:56:17,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142011429] [2023-04-01 05:56:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:56:17,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:56:17,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:56:17,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 05:56:17,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 05:56:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:56:17,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 25 conjunts are in the unsatisfiable core [2023-04-01 05:56:17,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:56:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:56:17,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 05:56:17,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142011429] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:56:17,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-01 05:56:17,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 23 [2023-04-01 05:56:17,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117350425] [2023-04-01 05:56:17,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:56:17,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-01 05:56:17,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:56:17,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-01 05:56:17,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-04-01 05:56:17,939 INFO L87 Difference]: Start difference. First operand 923 states and 1119 transitions. Second operand has 11 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 05:56:18,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:56:18,290 INFO L93 Difference]: Finished difference Result 2288 states and 2838 transitions. [2023-04-01 05:56:18,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-01 05:56:18,291 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) Word has length 136 [2023-04-01 05:56:18,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:56:18,292 INFO L225 Difference]: With dead ends: 2288 [2023-04-01 05:56:18,292 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:56:18,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-04-01 05:56:18,297 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 106 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:56:18,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 709 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:56:18,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:56:18,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:56:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 05:56:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:56:18,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2023-04-01 05:56:18,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:56:18,319 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:56:18,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 3 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (26), 6 states have call predecessors, (26), 3 states have call successors, (26) [2023-04-01 05:56:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:56:18,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:56:18,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:56:18,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-01 05:56:18,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-01 05:56:18,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:56:20,539 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 05:56:20,539 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 05:56:20,539 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 612) no Hoare annotation was computed. [2023-04-01 05:56:20,539 INFO L899 garLoopResultBuilder]: For program point L602-2(lines 602 623) no Hoare annotation was computed. [2023-04-01 05:56:20,539 INFO L899 garLoopResultBuilder]: For program point L624(lines 601 625) no Hoare annotation was computed. [2023-04-01 05:56:20,539 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 577 632) no Hoare annotation was computed. [2023-04-01 05:56:20,539 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 577 632) no Hoare annotation was computed. [2023-04-01 05:56:20,539 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 669) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 633 692) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point L659-2(lines 659 684) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point L685(lines 658 686) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 633 692) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 633 692) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point L678(line 678) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point L678-1(line 678) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 179 187) no Hoare annotation was computed. [2023-04-01 05:56:20,540 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 187) the Hoare annotation is: true [2023-04-01 05:56:20,540 INFO L895 garLoopResultBuilder]: At program point L985(line 985) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 1) (= 1 ~systemActive~0))) [2023-04-01 05:56:20,540 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 973 995) no Hoare annotation was computed. [2023-04-01 05:56:20,541 INFO L895 garLoopResultBuilder]: At program point L985-1(line 985) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 1) (= 1 ~systemActive~0))) [2023-04-01 05:56:20,541 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 990) no Hoare annotation was computed. [2023-04-01 05:56:20,541 INFO L899 garLoopResultBuilder]: For program point L983-1(lines 983 990) no Hoare annotation was computed. [2023-04-01 05:56:20,541 INFO L899 garLoopResultBuilder]: For program point L981(line 981) no Hoare annotation was computed. [2023-04-01 05:56:20,541 INFO L895 garLoopResultBuilder]: At program point L980(line 980) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,541 INFO L895 garLoopResultBuilder]: At program point L979(line 979) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,541 INFO L895 garLoopResultBuilder]: At program point L979-1(line 979) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,541 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 973 995) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,541 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 931 954) no Hoare annotation was computed. [2023-04-01 05:56:20,541 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 931 954) no Hoare annotation was computed. [2023-04-01 05:56:20,541 INFO L899 garLoopResultBuilder]: For program point L949(line 949) no Hoare annotation was computed. [2023-04-01 05:56:20,541 INFO L899 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L947(line 947) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L946(line 946) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L943(line 943) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L942(line 942) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L941(line 941) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L938(line 938) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 931 954) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L937(line 937) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L936(line 936) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 471) no Hoare annotation was computed. [2023-04-01 05:56:20,542 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 461 475) no Hoare annotation was computed. [2023-04-01 05:56:20,543 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 475) the Hoare annotation is: (and (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-04-01 05:56:20,543 INFO L895 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2023-04-01 05:56:20,543 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 165 171) no Hoare annotation was computed. [2023-04-01 05:56:20,543 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 165 171) the Hoare annotation is: true [2023-04-01 05:56:20,543 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 844 889) no Hoare annotation was computed. [2023-04-01 05:56:20,543 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 844 889) no Hoare annotation was computed. [2023-04-01 05:56:20,543 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 149) the Hoare annotation is: true [2023-04-01 05:56:20,543 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2023-04-01 05:56:20,543 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0))) [2023-04-01 05:56:20,543 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2023-04-01 05:56:20,543 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2023-04-01 05:56:20,543 INFO L895 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~2) (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-01 05:56:20,544 INFO L895 garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:56:20,544 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 344) no Hoare annotation was computed. [2023-04-01 05:56:20,544 INFO L895 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2023-04-01 05:56:20,544 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2023-04-01 05:56:20,544 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 349) no Hoare annotation was computed. [2023-04-01 05:56:20,544 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 328 352) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-04-01 05:56:20,544 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2023-04-01 05:56:20,544 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2023-04-01 05:56:20,544 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 05:56:20,544 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2023-04-01 05:56:20,544 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2023-04-01 05:56:20,549 INFO L895 garLoopResultBuilder]: At program point L250(lines 203 252) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-01 05:56:20,550 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)))) [2023-04-01 05:56:20,550 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 193 260) no Hoare annotation was computed. [2023-04-01 05:56:20,550 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2023-04-01 05:56:20,550 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2023-04-01 05:56:20,550 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 260) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,550 INFO L895 garLoopResultBuilder]: At program point L253(lines 202 254) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,550 INFO L895 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 05:56:20,550 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 247) no Hoare annotation was computed. [2023-04-01 05:56:20,550 INFO L895 garLoopResultBuilder]: At program point L241-1(lines 233 248) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (not (= 0 ~systemActive~0))))) [2023-04-01 05:56:20,550 INFO L899 garLoopResultBuilder]: For program point L204(lines 203 252) no Hoare annotation was computed. [2023-04-01 05:56:20,550 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,550 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 248) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 193 260) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (or (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0))) [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 517) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L895 garLoopResultBuilder]: At program point L505(line 505) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point L505-1(line 505) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 520) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 495 523) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L902 garLoopResultBuilder]: At program point L501(line 501) the Hoare annotation is: true [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point L501-1(line 501) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 495 523) the Hoare annotation is: true [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 495 523) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 126) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2023-04-01 05:56:20,551 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 487 494) the Hoare annotation is: true [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 487 494) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 361 377) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 361 377) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-01 05:56:20,552 INFO L895 garLoopResultBuilder]: At program point L372(line 372) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= activatePump_~tmp~3 0))) [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point L372-1(lines 361 377) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 127 135) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L902 garLoopResultBuilder]: At program point L449(line 449) the Hoare annotation is: true [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 442 460) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point L449-1(line 449) no Hoare annotation was computed. [2023-04-01 05:56:20,552 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 442 460) the Hoare annotation is: true [2023-04-01 05:56:20,552 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-04-01 05:56:20,552 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-04-01 05:56:20,553 INFO L895 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (not .cse0)))) [2023-04-01 05:56:20,553 INFO L895 garLoopResultBuilder]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (and (= ~methaneLevelCritical~0 0) (not .cse2)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1)))) [2023-04-01 05:56:20,553 INFO L895 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2023-04-01 05:56:20,553 INFO L899 garLoopResultBuilder]: For program point L274(lines 273 292) no Hoare annotation was computed. [2023-04-01 05:56:20,553 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2023-04-01 05:56:20,553 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 293) the Hoare annotation is: (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0))) [2023-04-01 05:56:20,553 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2023-04-01 05:56:20,553 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 901 930) no Hoare annotation was computed. [2023-04-01 05:56:20,553 INFO L902 garLoopResultBuilder]: At program point L926(lines 901 930) the Hoare annotation is: true [2023-04-01 05:56:20,553 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2023-04-01 05:56:20,553 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2023-04-01 05:56:20,553 INFO L902 garLoopResultBuilder]: At program point L915-1(lines 915 919) the Hoare annotation is: true [2023-04-01 05:56:20,553 INFO L902 garLoopResultBuilder]: At program point L911-2(lines 911 925) the Hoare annotation is: true [2023-04-01 05:56:20,553 INFO L902 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: true [2023-04-01 05:56:20,554 INFO L899 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2023-04-01 05:56:20,554 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 901 930) the Hoare annotation is: true [2023-04-01 05:56:20,554 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2023-04-01 05:56:20,554 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 59 70) the Hoare annotation is: true [2023-04-01 05:56:20,554 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 476 483) no Hoare annotation was computed. [2023-04-01 05:56:20,554 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 476 483) the Hoare annotation is: true [2023-04-01 05:56:20,554 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-04-01 05:56:20,554 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: true [2023-04-01 05:56:20,554 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 891 898) the Hoare annotation is: true [2023-04-01 05:56:20,554 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed. [2023-04-01 05:56:20,554 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 891 898) no Hoare annotation was computed. [2023-04-01 05:56:20,554 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 172 178) the Hoare annotation is: true [2023-04-01 05:56:20,554 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 172 178) no Hoare annotation was computed. [2023-04-01 05:56:20,554 INFO L895 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L895 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-01 05:56:20,555 INFO L895 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L895 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse0) (= ~pumpRunning~0 0) .cse1))) [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 302 326) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 302 326) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 397 405) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 397 405) the Hoare annotation is: true [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 406 441) no Hoare annotation was computed. [2023-04-01 05:56:20,555 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 406 441) no Hoare annotation was computed. [2023-04-01 05:56:20,556 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 531 576) no Hoare annotation was computed. [2023-04-01 05:56:20,556 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 531 576) no Hoare annotation was computed. [2023-04-01 05:56:20,556 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 962 972) no Hoare annotation was computed. [2023-04-01 05:56:20,556 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 962 972) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,556 INFO L895 garLoopResultBuilder]: At program point L967(line 967) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 05:56:20,556 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 962 972) no Hoare annotation was computed. [2023-04-01 05:56:20,556 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 386 396) no Hoare annotation was computed. [2023-04-01 05:56:20,556 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 386 396) the Hoare annotation is: true [2023-04-01 05:56:20,556 INFO L902 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: true [2023-04-01 05:56:20,556 INFO L899 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2023-04-01 05:56:20,556 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 378 385) no Hoare annotation was computed. [2023-04-01 05:56:20,556 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 378 385) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-04-01 05:56:20,558 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 798 843) no Hoare annotation was computed. [2023-04-01 05:56:20,558 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 798 843) no Hoare annotation was computed. [2023-04-01 05:56:20,558 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2023-04-01 05:56:20,559 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 353 360) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0)) [2023-04-01 05:56:20,559 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 155 164) no Hoare annotation was computed. [2023-04-01 05:56:20,559 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 155 164) no Hoare annotation was computed. [2023-04-01 05:56:20,559 INFO L899 garLoopResultBuilder]: For program point L760(line 760) no Hoare annotation was computed. [2023-04-01 05:56:20,559 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 723) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 695 797) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point L744-2(lines 744 764) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 695 797) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point L765(lines 743 766) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point L724(lines 724 740) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 695 797) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point L745(lines 744 764) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point L776(line 776) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point L776-1(line 776) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 782) no Hoare annotation was computed. [2023-04-01 05:56:20,560 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-01 05:56:20,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:56:20,561 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2023-04-01 05:56:20,561 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-04-01 05:56:20,561 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:56:20,561 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 05:56:20,561 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 955 961) no Hoare annotation was computed. [2023-04-01 05:56:20,561 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 955 961) the Hoare annotation is: true [2023-04-01 05:56:20,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:56:20,562 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-04-01 05:56:20,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:56:20,562 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:56:20,564 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:56:20,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:56:20,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:56:20 BoogieIcfgContainer [2023-04-01 05:56:20,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:56:20,581 INFO L158 Benchmark]: Toolchain (without parser) took 8655.27ms. Allocated memory was 224.4MB in the beginning and 327.2MB in the end (delta: 102.8MB). Free memory was 184.8MB in the beginning and 153.8MB in the end (delta: 31.0MB). Peak memory consumption was 159.1MB. Max. memory is 8.0GB. [2023-04-01 05:56:20,581 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:56:20,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.25ms. Allocated memory is still 224.4MB. Free memory was 184.8MB in the beginning and 165.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 05:56:20,581 INFO L158 Benchmark]: Boogie Preprocessor took 82.04ms. Allocated memory is still 224.4MB. Free memory was 165.9MB in the beginning and 162.5MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:56:20,582 INFO L158 Benchmark]: RCFGBuilder took 1111.52ms. Allocated memory is still 224.4MB. Free memory was 162.5MB in the beginning and 170.8MB in the end (delta: -8.3MB). Peak memory consumption was 48.3MB. Max. memory is 8.0GB. [2023-04-01 05:56:20,582 INFO L158 Benchmark]: TraceAbstraction took 6899.24ms. Allocated memory was 224.4MB in the beginning and 327.2MB in the end (delta: 102.8MB). Free memory was 169.7MB in the beginning and 153.8MB in the end (delta: 15.9MB). Peak memory consumption was 143.3MB. Max. memory is 8.0GB. [2023-04-01 05:56:20,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 556.25ms. Allocated memory is still 224.4MB. Free memory was 184.8MB in the beginning and 165.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.04ms. Allocated memory is still 224.4MB. Free memory was 165.9MB in the beginning and 162.5MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1111.52ms. Allocated memory is still 224.4MB. Free memory was 162.5MB in the beginning and 170.8MB in the end (delta: -8.3MB). Peak memory consumption was 48.3MB. Max. memory is 8.0GB. * TraceAbstraction took 6899.24ms. Allocated memory was 224.4MB in the beginning and 327.2MB in the end (delta: 102.8MB). Free memory was 169.7MB in the beginning and 153.8MB in the end (delta: 15.9MB). Peak memory consumption was 143.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 895]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 786 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 756 mSDsluCounter, 3205 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2382 mSDsCounter, 176 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1856 IncrementalHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 176 mSolverCounterUnsat, 823 mSDtfsCounter, 1856 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=923occurred in iteration=6, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 133 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1938 PreInvPairs, 2092 NumberOfFragments, 871 HoareAnnotationTreeSize, 1938 FomulaSimplifications, 1309 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 5412 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 707 NumberOfCodeBlocks, 707 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 1245 SizeOfPredicates, 10 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 81/86 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && !(0 == systemActive))) || !(\old(systemActive) == 1) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 05:56:20,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...